Name. Read each sentence. Circle the irregular plural and write it on the line provided. 1. We watched the geese fly into the clouds.

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1 Grammar: Irregular Plural Nouns rules. Many nouns that end in -f or -fe are made plural by changing the f to a v and adding -es, such as life/lives. Some nouns are made plural by changing their vowel sound and spelling, such as foot/feet. Some nouns are made plural by using different endings, such as child/children. Read each sentence. Circle the irregular plural and write it on the line provided. 1. We watched the geese fly into the clouds. 2. The men picked up their suitcases and boarded the plane. 3. Two halves of the pie equal one whole. 4. The patients waited for the dentist to look at their teeth. 5. They asked their wives to join them on stage. 6. The teams of oxen pulled the plows across the field. 7. Are there enough knives for all of the dishes on the table? 8. All the women were asked to come onto the dance floor. 9. We needed rakes to clean up the fallen leaves. 10. The gentlemen arrived wearing suits and ties. 36 Grammar Grade 4 Unit 2 Week 3

2 Grammar: Other Irregular Plurals and Collective Nouns rules. Irregular plurals may involve changing the f to a v and adding -es in words that end in -f or -fe, changing a middle vowel sound and spelling, and using different endings. In addition, irregular plurals may involve making no change to a word (such as deer/deer) or using a completely new word altogether (person/people). Collective nouns are words that name groups of people, places, or things, such as class or army. A. Read each sentence. Decide whether the underlined noun is singular or plural. Write your answer on the line. 1. Moose are beautiful but shy creatures. 2. How many shrimp come in one bag? 3. I watched the sheep shake its head back and forth. 4. The mice ran quickly into the hole in the wall. 5. Slowly, the lonely buffalo moved across the grassy plains. B. Read each sentence. Circle the collective noun and write it on the line provided. 6. The band is having a winter concert next month. 7. I saw the herd of horses down in the valley. 8. Do you know when the jury will come to a decision? Grammar Grade 4 Unit 2 Week 3 37

3 Grammar: Correct Plural Forms Some irregular plurals that are not based on rules must be memorized. There is a rule for forming the plural nouns that end in -f or -fe, but not all nouns follow this rule, such as roof/roofs. Some nouns have the same singular and plural forms, such as deer/deer. Some nouns use a different ending to form the plural, such as man/men. Some nouns change completely from singular to plural, such as mouse/mice. Read each sentence. Circle the word that is the correct plural form. Then write the sentence on the line provided. 1. The (loafs, loaves) of bread smelled delicious! 2. I watched as the (fish, fi shs) jumped in and out of the water. 3. How many (persons, people) can fit in this little car? 4. There were ten (childes, children) on the playground. 5. There are many different (species, specieses) of animals. 6. Computers have changed the (lifes, lives) of many. 38 Grammar Grade 4 Unit 2 Week 3

4 Grammar: Proofread rules. They are either based on their own rules or do not follow a rule at all and must be memorized. Irregular plurals may involve changing the f to a v and adding -es in words that end in -f or -fe, changing a middle vowel sound and spelling, and using different endings. In addition, irregular plurals may involve making no change to a word (such as deer/deer) or using a completely new word altogether (person/people). Collective nouns are words that name groups of people, places, or things, such as class or army. Rewrite the sentences below correcting mistakes in plurals. 1. The pack of wolfes included males, femals, and cubs. 2. My foots and calfs are sore from walking on the trails yesterday. 3. The womans entered the room even though they were afraid of the mouses. 4. How many chevs are needed for the feast this weekend? 5. The trouts are passing through these riveres at this time of year. Grammar Grade 4 Unit 2 Week 3 39

5 Grammar: Irregular Plural Nouns A. Write the correct plural form of the noun below. 1. shrimp 2. goose 3. thief 4. tooth 5. moose 6. elf B. Complete each sentence with the plural form of the singular noun in parentheses. 7. How many (man) are on the team? 8. Did you fill all the (shelf)? 9. The (ox) are grazing in the field. 10. Most (child) enjoy playing games. 11. There were (elk) at the edge of the woods. 12. The (person) were very hot in the ballroom. 13. How many (foot) deep is the swimming pool? 14. She made a pretty picture with the (leaf). 15. There are a lot of different (species) at this zoo. 40 Grammar Grade 4 Unit 2 Week 3